Affiliation: | 1. Department of Environmental Engineering, Korea University, Sejong, 339-700, South Korea;2. Hyundai Engineering & Construction Co., Ltd., 17-6 Mabuk-Ro 240, Giheung-Gu, Yongin-Si, Gyuonggi-Do, South Korea;3. Department of Civil and Environmental Engineering, University of Michigan, 177 EWRE Building, 1351 Beal Avenue, Ann Arbor, MI 48109-2125, USA |